2008442080

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{205783}}^1$

素因数の和:205859

約数の個数: 48

約数和(自身を含む): 4822753824

約数和(自身を除く): 2814311744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1220, 1952, 2440, 4880, 9760, 205783, 411566, 823132, 1028915, 1646264, 2057830, 3292528, 4115660, 6585056, 8231320, 12552763, 16462640, 25105526, 32925280, 50211052, 62763815, 100422104, 125527630, 200844208, 251055260, 401688416, 502110520, 1004221040, 2008442080]

約数ペア:

[(1, 2008442080), (2, 1004221040), (4, 502110520), (5, 401688416), (8, 251055260), (10, 200844208), (16, 125527630), (20, 100422104), (32, 62763815), (40, 50211052), (61, 32925280), (80, 25105526), (122, 16462640), (160, 12552763), (244, 8231320), (305, 6585056), (488, 4115660), (610, 3292528), (976, 2057830), (1220, 1646264), (1952, 1028915), (2440, 823132), (4880, 411566), (9760, 205783)]